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March Weather in Derry, United States

Last updated: June 24, 2025

In March, the average temperature in Derry, United States hovers around 4°C (40°F). Expect a chilly minimum of -16°C (4°F), with temperatures occasionally reaching a pleasant maximum of 23°C (74°F). Be prepared for 117 mm (4.6 in) of precipitation spread over 15 days, and don't forget to dress for the high humidity levels at 89%.

March Temperature in Derry

In March in Derry, the average temperature is 4°C (40°F). Maximum temperatures can reach 23°C (74°F), while minimum temperatures can drop as low as -16°C (4°F). This wide temperature range suggests that travelers should be well-prepared for both chilly and warm conditions when visiting.

March Weather in Derry: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Derry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Derry, March typically has an average temperature of 4°C (40°F), with highs reaching up to 23°C (74°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec293440506168737165554035
Data source: Temperature data for Derry generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Derry

In Derry in March, the total precipitation amount is 117 mm (4.6 in), occurring over the course of 15 days.

March Precipitation Trends in Derry

The chart displays monthly precipitation patterns in Derry, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Derry, March typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec961351181381591541219212311796118
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Derry

In Derry in March humidity is 89%. With an average temperature of 4°C (40°F), this humidity feels like a chilling blanket enveloping you, making travel uncomfortable and damp, as the cold penetrates through your clothes and the air feels heavy and clinging.

March Average Humidity in Derry

This chart illustrates the average monthly humidity levels in Derry, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Derry is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Derry

In Derry in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Derry.

Maximum UV Index Levels in Derry for March

The chart shows the monthly maximum UV Index (UVI) for Derry in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Derry typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098642
Data source: Derry March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How March Weather in Derry Compares to Other Months

Weather in Derry varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Derry, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Derry, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)96 mm (3.8 inches)89%moderate
February Weather1°C (34°F)135 mm (5.3 inches)90%moderate
March Weather4°C (40°F)117 mm (4.6 inches)89%high
April Weather10°C (50°F)137 mm (5.4 inches)88%very high
May Weather16°C (61°F)158 mm (6.2 inches)80%very high
June Weather20°C (68°F)154 mm (6.1 inches)79%very high
July Weather23°C (73°F)121 mm (4.8 inches)74%very high
August Weather22°C (71°F)92 mm (3.6 inches)64%very high
September Weather19°C (66°F)123 mm (4.8 inches)67%very high
October Weather13°C (56°F)116 mm (4.6 inches)81%high
November Weather5°C (41°F)96 mm (3.8 inches)89%moderate
December Weather1°C (35°F)118 mm (4.6 inches)88%low

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